VXI BlueParrott Xpress Bluetooth Noise-Canceling Wireless Headset Xtreme Noise Suppression, together with wind suppression technology eliminates background noise from any source (the Xpress eliminates 94% of all background noise). Wideband audio sounds clear and natural, for better communication and fewer misheard words. A2DP to use with GPS, music players, laptops and other Bluetooth-enabled devices. Connect to two phones, or any two Bluetooth devices, at once. Make your phone a walkie-talkie with the VXi BlueParrott App. Push to talk to one person or a group on Android or iOS phones. Background Noise Canceling: 93%. A2DP Multi-Point Support. Range: Up To 66 feet. Charging Input: Micro USB Connectivity: Bluetooth Wireless HFP Version 1.6 (Wideband Audio) Stream music or GPS directions. Talk for over 7 hours per battery charge. Please ensure you read the user manual. Also ensure that the battery is fully charged and that your phone is close by your side with no obstacles interfering with the signal.